headers = {
            'User-Agent':'Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36',
            'Connection':'keep-alive',
            'Referer':'http://student.zjedu.moocollege.com/system/login',
            'Host':'student.zjedu.moocollege.com'
}
data = {
    'orgId':'120',
    'username':'',
    'password':'',
    'rememberMe':'true',
    'type':'studentNo',
}

# 课程编号
courseId = '30003052'
# 